public void Start()
        {
            State = Available;

            Door.UnlockDoor();
            Disp.DisplayMessage("\nDoor unlocked. Open door and connect your phone");
        }
 public void ConnectedOnConnectionEvent(object sender, EventArgs e)
 {
     Disp.DisplayMessage("A phone is already connected");
 }
 public void ConnectedOnDisconnectionEvent(object sender, EventArgs e)
 {
     Disp.DisplayMessage("Phone is disconnected");
 }
 public void UnConnectedOnDisconnectionEvent(object sender, EventArgs e)
 {
     Disp.DisplayMessage("A phone is not connected");
 }